//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#: //ORIGINAL LINE: public final org.neo4j.helpers.collection.Pair<java.io.File, KeyValueStoreFile> open() throws java.io.IOException public Pair <File, KeyValueStoreFile> Open() { KeyValueStoreFile result = null; File path = null; foreach (File candidatePath in CandidateFiles()) { KeyValueStoreFile file; if (Fs.fileExists(candidatePath)) { try { file = _format.openStore(Fs, Pages, candidatePath); } catch (Exception e) { _monitor.failedToOpenStoreFile(candidatePath, e); continue; } if (result == null || _format.compareHeaders(result.Headers(), file.Headers()) < 0) { if (result != null) { result.Dispose(); } result = file; path = candidatePath; } else { file.Dispose(); } } } return(result == null ? null : Pair.of(path, result)); }
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes: //ORIGINAL LINE: @Test public void shouldNotPickCorruptStoreFile() throws Exception //JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#: public virtual void ShouldNotPickCorruptStoreFile() { // given Store store = CreateTestStore(); RotationStrategy rotation = store.RotationStrategy; // when File[] files = new File[10]; { Pair <File, KeyValueStoreFile> file = rotation.Create(EMPTY_DATA_PROVIDER, 1); files[0] = file.First(); for (int txId = 2, i = 1; i < Files.Length; txId <<= 1, i++) { KeyValueStoreFile old = file.Other(); //JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final': //ORIGINAL LINE: final int data = txId; int data = txId; file = rotation.Next(file.First(), Headers.HeadersBuilder().put(TX_ID, (long)txId).headers(), data((Entry)(key, value) => { key.putByte(0, ( sbyte )'f'); key.putByte(1, ( sbyte )'o'); key.putByte(2, ( sbyte )'o'); value.putInt(0, data); })); old.Dispose(); files[i] = file.First(); } file.Other().Dispose(); } // Corrupt the last files using (StoreChannel channel = _resourceManager.fileSystem().open(files[9], OpenMode.READ_WRITE)) { // ruin the header channel.Position(16); ByteBuffer value = ByteBuffer.allocate(16); value.put(( sbyte )0); value.flip(); channel.WriteAll(value); } using (StoreChannel channel = _resourceManager.fileSystem().open(files[8], OpenMode.READ_WRITE)) { // ruin the header channel.Position(32); ByteBuffer value = ByteBuffer.allocate(16); value.put(( sbyte )17); value.flip(); channel.WriteAll(value); } using (StoreChannel channel = _resourceManager.fileSystem().open(files[7], OpenMode.READ_WRITE)) { // ruin the header channel.Position(32 + 32 + 32 + 16); ByteBuffer value = ByteBuffer.allocate(16); value.putLong(0); value.putLong(0); value.flip(); channel.WriteAll(value); } // then using (Lifespan life = new Lifespan()) { life.Add(store); assertEquals(64L, store.Headers().get(TX_ID).longValue()); } }